CharSetUtils.squeeze() speedup
------------------------------
Key: LANG-715
URL: https://issues.apache.org/jira/browse/LANG-715
Project: Commons Lang
Issue Type: Improvement
Components: lang.*
Affects Versions: 3.0
Reporter: Ville Skyttä
Priority: Minor
Attachments: squeeze-speedup.patch
The attached patch speeds up CharSetUtils.squeeze() by avoiding unnecessary
calls to CharSet.contains(). It should not slow down any cases, and in my
tests with some use cases that I consider fairly common ones I got up to
sixfold speedups with the patch.
It's not that squeeze() would be that slow in the first place before the patch;
I just happened to be playing around with caliper
(http://code.google.com/p/caliper/) and squeeze() was one of the first things I
tried it with.
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